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Finding the Fourth Proportional to 427,984.34, 590,617.44 and 246,695.06

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Solution

The fourth proportional to 427,984.34, 590,617.44 and 246,695.06 is: 340,438.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,984.34 : 590,617.44 = 246,695.06 : x
  2. Step 2: Convert to fraction form
    427,984.34/590,617.44 = 246,695.06/x
  3. Step 3: Cross multiply
    427,984.34x = 590,617.44 × 246,695.06
  4. Step 4: Simplify right side
    427,984.34x = 145,702,404,797.85
  5. Step 5: Solve for x
    x = 145,702,404,797.85/427,984.34
  6. Step 6: Final answer
    x = 340,438.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.